/***************************************************************************
 *   Copyright (C) 2009 by Bernhard Neuhofer   *
 *   mail@bneu.at   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef VECTORINQUEUE_H
#define VECTORINQUEUE_H

#include "vectorOutQueue.h"
#include "message.h"
#include "inQueue.h"
/**
* @brief Holds the message sent to a LP. An InQueue is seperated into an already
* processed/read part and the rest. <code>nextUnread</code> acts as seperator
* as it points to the next unread message in the Queue.
* In contrast to the message in a <code>VectorBuffer</code> the messages are in
* a chronolgical increasing order.
*/
class VectorInQueue:public VectorOutQueue, public InQueue
{
	protected:
		int _lastRead;

	public:
		VectorInQueue()
				:VectorOutQueue(), _lastRead(-1)
		{}
		void fossilCollect ( double upto );
		double getChannelTime();
		Message* getLastRead();
		Message* getNextUnread();
		bool containsUnread();
		void setLastRead ( Message* message );
		friend ostream& operator<< ( ostream& out,VectorInQueue viq );
};


#endif
